Osisko Development Completes 13,000-Meter Infill Drilling Program at Cariboo Gold Project and Provides Update on Ongoing Lowhee Underground Drilling; Intercepts Include 44.68 g/t Gold Over 1.5 Meters From 27.9 Meters Downhole, Including 133.62 g/t Gold Over 0.5 Meters From 28.4 Meters Downhole

Original announcement by yahoo_press on

Company
Osisko Development
Ticker
ODV
Exchange
NYSE
Region
Unavailable
Primary commodity
Gold
Secondary commodities
None reported
Document categories
Drill results, Resource update
Extracted
2026-09-21 04:13:04 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Osisko Development has completed its 13,684-meter Appian infill drilling program at the Cariboo Gold Project. The program yielded high-grade gold intercepts, including 133.62 g/t Au over 0.5 m and 44.68 g/t Au over 1.5 m.

Reasoning: The release reports high-grade gold intercepts (up to 133.62 g/t Au) from a completed infill drilling program, which is a significant de-risking and value-adding event for the Cariboo Gold Project.

Positive factors

  • High-grade gold intercepts reported
  • Infill drilling program completed as planned
  • Strong continuity suggested by 10-m spacing

Facts used in scoring: 5

Classification and evidence

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: 133.62 g/t Au exceeds the exceptional threshold for underground gold (15 g/t).

Evidence · text

“133.62 g/t Gold Over 0.5 Meters”

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: The program is explicitly described as a 13,000-meter infill drilling program.

Evidence · text

“Completes 13,000-Meter Infill Drilling Program”

Extracted facts

Stored fact records: 5. Some facts used in scoring do not have a stored record.

Drill Results (5)

Fact 1Cariboo · goldGrade: 44.68Grade Unit: g/tIntercept: 1.5 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cariboo
Commodity
gold
Ticker
ODV

Geometry

Grade
44.68
Grade Unit
g/t
Intercept
1.5 m
From
27.9 m
To
29.4 m
Intercept Depth
27.9 m

Classification

Program
resource
Sample Type
drill
Group ID
Cariboo:27.9-29.4

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-09T00:00:00.000Z

Reasoning: Strong gold grade reported over a meaningful width.

Positive factors

  • High grade intercept

Evidence · text

“44.68 g/t Au over 1.5 m from 27.9 m downhole”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Fact 2Cariboo · goldGrade: 133.62Grade Unit: g/tIntercept: 0.5 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cariboo
Commodity
gold
Ticker
ODV

Geometry

Grade
133.62
Grade Unit
g/t
Intercept
0.5 m
From
28.4 m
To
28.9 m
Intercept Depth
28.4 m

Classification

Program
resource
Sample Type
drill
Group ID
Cariboo:28.4-28.9

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-09T00:00:00.000Z

Reasoning: Exceptionally high grade intercept.

Positive factors

  • Bonanza grade

Evidence · text

“133.62 g/t Gold Over 0.5 Meters From 28.4 Meters Downhole”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Fact 3Cariboo · goldGrade: 25.78Grade Unit: g/tIntercept: 2.5 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cariboo
Commodity
gold
Ticker
ODV

Geometry

Grade
25.78
Grade Unit
g/t
Intercept
2.5 m
From
41.3 m
To
43.8 m
Intercept Depth
41.3 m

Classification

Program
resource
Sample Type
drill
Group ID
Cariboo:41.3-43.8

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-09T00:00:00.000Z

Reasoning: Significant gold intercept.

Positive factors

  • Strong gold grade

Evidence · text

“25.78 g/t Au over 2.5 m from 41.3 m downhole”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Fact 4Cariboo · goldGrade: 103.47Grade Unit: g/tIntercept: 0.5 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cariboo
Commodity
gold
Ticker
ODV

Geometry

Grade
103.47
Grade Unit
g/t
Intercept
0.5 m
From
42.8 m
To
43.3 m
Intercept Depth
42.8 m

Classification

Program
resource
Sample Type
drill
Group ID
Cariboo:42.8-43.3

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-09T00:00:00.000Z

Reasoning: Exceptionally high grade intercept.

Positive factors

  • Bonanza grade

Evidence · text

“103.47 g/t Au over 0.5 m from 42.8 m downhole”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Fact 5Cariboo · goldGrade: 12.51Grade Unit: g/tIntercept: 1 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cariboo
Commodity
gold
Ticker
ODV

Geometry

Grade
12.51
Grade Unit
g/t
Intercept
1 m
From
41.8 m
To
42.8 m
Intercept Depth
41.8 m

Classification

Program
resource
Sample Type
drill
Group ID
Cariboo:41.8-42.8

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-09T00:00:00.000Z

Reasoning: Good gold grade intercept.

Positive factors

  • Solid gold grade

Evidence · text

“12.51 g/t Au over 1.0 m from 41.8 m downhole”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.